... 2 AAA Battery 3. 800/1200/1600 DPI Wireless Optical Mouse _ G6220E2.4G Wireless Mouse1.Wireless frequency:2402MHz-2480MHz2.Operating ... -85°C;8.Humidity:20%-50%.9 Tracking Sensor: Optical Technology, can be used on all the surface except ... reciever,easily plug into your PC, or keep inside your mouse.11.Warranty: 1 yearCertificate: Comply with CE.ROHS, FCC ... ,crystal box,white box or pvc box Razer Mouse